: Northstar Engines and System Technical Discussion



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  1. Temp gauge position, what is the basis for this?
  2. Mustang 4.6L Injectors on Northstars?
  3. oil pump spacer driver
  4. 2000 and up N* engines?
  5. 94 Eldorado 4T80E No Forward Gears After Shift Solenoid Change
  6. anyone MARRYYLANNDD??????
  7. Better Mileage out of LD8 Northstar
  8. Service Emissions system message
  9. 2002 Deville Multiple codes, rough idle, surging at high RPM
  10. Interesting oil info
  11. Fuel Filter location 95 deville concours 4.6
  12. 95 Deville Concours 4.6 bucking while in gear and AC compressor on
  13. threading for norms inserts
  14. 95 deville 4.6 northstar ISC clicking
  15. Setting timing on 1999 STS after HG repair
  16. 96 Deville Problems
  17. Whats the deal with my o2 sensors
  18. 2000STS oil pan problems
  19. oil smells like gas low oil pressure
  20. Idles strangely when turning heat/ blower switch "on"
  21. OBDii USB scanner
  22. Last post, race car blew up
  23. Long Hard Starts
  24. 2000 Deville DTS upgrades
  25. What the heck is it?
  26. Purge line???
  27. Ideal IAT Sensor Conditions
  28. overheating issue
  29. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  30. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  31. Supercharger like whistle?
  32. 98 deville BlownHead Gasket???
  33. Cooling question I know Another one
  34. chocolate
  35. Damm leaking half seal, what about lucas?
  36. 2000 Cadillac Deville Speedo Problems!
  37. water pump pulley
  38. 01 deville just bought a lemon?
  39. 1999 STS V8 Northstar Engine Misfire / Smoke
  40. 99 Deville starting idle issue
  41. P1376, P0340, I'm desperate...
  42. A rep from General Motors is coming to my shop tomorrow!
  43. Reluctor wheel clocking?
  44. Combo electrical/fuel problem in race car
  45. head dowels
  46. peanut butter in coolant resevoir
  47. 96 STS P0171 & P0174 Code
  48. Battery or alternator
  49. I think my HGs are gone
  50. Please help need to finish tomorrow i am begging
  51. Have to swap engine and tranny in 2000 DHS
  52. I need two exhaust cams and 8 buckets for a 99
  53. 01 DTS running lean codes 0171, 0174 what to look for?
  54. 2000 deville dts rip
  55. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  56. Is power steering and transmission fluid the same in a 94 seville
  57. Customer Paranoia with temp guage - need input from other members-
  58. oil in head bolt hole
  59. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  60. 5k rpm limit in 1st gear?
  61. Do I need a new crankshaft? :( pic inside
  62. Painting valve covers
  63. Another CRACKED 2000 block
  64. curious why,PCV vents different?
  65. Emissions Test: It's ok to burn oil eh?
  66. New owner of 99 Deville, avg. temp question
  67. Ac delco pf61e oil filter
  68. Bearings
  69. 94 and 95 intake different?
  70. Had Coolant Flush/Fill done at shop, - now a question
  71. 1994 seville STALLING.
  72. Drilling out the block
  73. Why won't tranny separate
  74. Cylinder head torque?
  75. Victor Reinz Headgasket kits
  76. slight engine miss
  77. Gapless Piston Rings
  78. Please Help!!! I am baffeled
  79. Anyone need a 00+ motor?
  80. Got gaskets?
  81. Head bolt reuse? thread sealer
  82. What - 99 STS No EGR passage ways?
  83. Northstar 8-6-4 Technology, Did it Ever Exist?
  84. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  85. Having trouble locating o2 sensors
  86. Oil Pressure Light + Warning
  87. Broken bell housing
  88. Burping coolant system????
  89. How much coolant
  90. Check oil level but oil level is good?
  91. NEED HELP TODAY, Can't get tranny out
  92. Mysterious tube coming out of transmission, currently plugged.
  93. 99 ELDO ETC...PLZ HELP ME before I push this car into the river!!!
  94. Wanted!! NORTHSTAR specialist in /near Lancaster, Pa
  95. Guidance on Oil Dye and where the leak is
  96. Engine removal - can't get engine separated from transmission
  97. Northstar Swaps - What years are interchangeable and the differences
  98. Cracked Block? Thought it was rare
  99. 96 deville cant find ect sensor
  100. Someone else loves your ignition coils.......
  101. Ticking noises
  102. Northstar interchange
  103. Starter Replacement - It's not as bad as everyone thinks!
  104. More engines......NEED HELP DECODING
  105. ABS/Traction control light on (02 deville)
  106. 98 Seville STS running rough
  107. 00 N* VIN Y cyl 2 and 7 misfire or spark problems
  108. Renting engine mount?
  109. Here is an interesting problem!
  110. 2002 engine into 1998 model? Or swap body parts instead?
  111. Northstar headgasket job did I f up?
  112. High Idle and Thumping Breaks after Fuel Pump Replacement
  113. Need to confirm rear seal, please look
  114. Headgasket help timing tensioner
  115. 2002 Eldorado Plenum Change
  116. No gauges
  117. STS engine into SLS
  118. Turbo northstar in a truck!?
  119. 2nd Design "Cartridge" Rear Main Seal
  120. My 2000 Deville has the p0300 code, and possible p0420 code. Need help
  121. lifters (how do you no if it bad)
  122. Part Number For Idler Pulley Spacer
  123. Here is my dilemma
  124. IAC Question
  125. Guys need help with oil leak for racing caddy
  126. Turbo kit
  127. Oil Life Monitor Could someone Explain something please
  128. Spark Plugs
  129. Idler Pully Replacement
  130. 93 fuel pressure regulator
  131. Northstar Ring Cleaning Procedure
  132. 2002 Eldorado rough idle
  133. no oil press after head gasket replacment
  134. 99 STS engine reinstallation question/problems
  135. Engine Kill Switch (where to put it)
  136. Coolant problem after HG job
  137. 1999 Deville wont start after engine swap?
  138. New Shop being set up in Western Canada & North Dakota
  139. how I fixed my p0410, p0420, p01860, and p0741 codes and made my DHS a convertible
  140. code 1406-EGR
  141. Head Gasket symptoms after Head Gasket repair
  142. 99 water crossover ?
  143. Clevite brand bearings
  144. Low Oil Pressure after Head Gasket Repair
  145. 99 Deville Runs Like S#!t
  146. head gasket manufacture
  147. Anybody have experience with rebuilt tranny from Rock Auto (Marshall)
  148. 98 model- HG or maybe WP?
  149. Codes, 0401, 0420, 0300, 0440
  150. chain tension between cams
  151. How to remove fuel rail 2002 model
  152. Damn this monster pump
  153. Engine Stall after hard driving
  154. WTF??? Have to pull the engine for oil pan gasket leak?
  155. Need to find a reputable transmission rebuilder
  156. Is my fuel pump bad??
  157. replaced starter, now the engine runs like crap
  158. Sometimes No Heat
  159. Anyone know what size allthread for cradle drop?
  160. Jakes Sur Grip Stud - Norms NS300L Sirt- Time Sirt's Wich have you doen
  161. I am swapping my engine for one of Jake's, how hard to rebuild tranny myself?
  162. 2001 dts p0420
  163. Northstar Engine Parts Galore!
  164. Have you Had your HG's GO ?
  165. Its official, cadillacs are junk!!!!!!!!!!!!!
  166. Head Gasket Repair
  167. 1995 eldorado need help identifying black wire
  168. Random misfires & loss of fuel pressure!! Help...
  169. Coolant fan wiring
  170. Help! Water pump issue
  171. O2 sensor trouble codes after engine installed
  172. changing cams
  173. No spark, in need of assistance.
  174. Blown head gaskets but no pulled/stripped bolts?
  175. 2000+ LD8 vs L37 - What's the diff?
  176. Burping the cooling system?
  177. Help idntifying northstar engine!!
  178. Motor mount advice
  179. # 2 cylin misfire
  180. SLS 2000 Northstar
  181. are pre 2000 blocks the same
  182. Just got a 95 seized for next to free
  183. 2006 DTS Oil & ATF
  184. Anyone have the rear coil pack for the 01 eldo
  185. Oil in coolant tank
  186. I'm one of you again........ bought another N* car
  187. Running lean all of a sudden
  188. 2002 Eldorado rough idle
  189. high hc on smog test/ evap connections
  190. 98 deville northstar msd coil packs?
  191. Fuel Pressure Regulator
  192. O2 sensors are driving me nuts!
  193. Oil level sensor & alternator terminal hookup
  194. 96 STS High Idle After Highway Run
  195. Northstar Fiero + CRHFAB 272 cams with Misfires and stalls
  196. Oil on plug #2 causing rough idle/misifre?
  197. major problem with my HG job
  198. Temp Gauge
  199. Spark Plugs
  200. PLEASE HELP Need harness help after stud job
  201. Installing new belt Tensioner
  202. 99 Eldo ETC Codes p1375, P1654, B2502
  203. Misfire
  204. studs for block
  205. Wire boot stuck in cylinder 2
  206. How do I get spark signal for chassis dyno
  207. i need 1 ns300l norms insert please help
  208. PCV oil catch can, intake sludge
  209. Blown head gaskets, cracked cylinder heads, or both?
  210. Oil Usage with Synthetic Vs. Mineral
  211. What year N* engine block will work for 2000 deville
  212. Vacuum line question
  213. Service Suspension System
  214. Surging/Stalling When Warm, Lean Codes -- Not Plenum
  215. Misfiring and Surging 2000 Seville
  216. great deal on head studs
  217. Anyone want studs with their head gasket job in illinois
  218. Normal Compression on a correctly timed 1996 N*
  219. 1994 Northstar, jumpy acceleration, back fires, loss of power at times
  220. head removal
  221. Anyone change their Northstar valve cover gaskets??
  222. engine question
  223. High pressure p/s hose
  224. Fluid Change vs Fluid Flush...
  225. Wester's, Northstar Performance, and CHRFAB. Working together for one FAST FWD
  226. 1995 STS hard start and stall problem
  227. serpentine belt feels like its dragging when accelerating
  228. Pc1139
  229. PCM P0741 Error Code / 2000RPM IDLE - 99 STS
  230. Northstar engine water flooded
  231. Dowel Problem!
  232. NS front exh manifold
  233. would you?
  234. 98 deville motor mounts....
  235. Front Cover Gasket help
  236. Think the Northstar headgasket job is bad??
  237. Wierd shudder - torque converter?
  238. Engine hot!!! Should I be worried????
  239. Fuel Injection Services, Are they worth it?
  240. Product Distributors needed throughout the USA - $$$ in it for you
  241. 99 4.6L n* Conversion Gasket Set
  242. studs vs. inserts
  243. 300,000 miles... I made it!!
  244. 2003 northstar misfire
  245. How often are blocks not re-useable for rebuild?
  246. P041 No Cam reference signal from ignition control module
  247. Oil pan gasket material?
  248. 03 STS using 1qt oil every 800mi - Should I be worried?
  249. Did your Northstar's Y pipe come obstructed from the factory? Mine did (with pics)
  250. northstar governer/limiter